Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
-(Table: Externalities from Parks) The table Externalities from Parks shows the marginal social benefit and the marginal social cost of preserving various amounts of land in a city for a public park. At the socially optimum amount of land dedicated to the public park the marginal social benefit will be:

A) $225.
B) $150.
C) $100.
D) $0.